Next time you decide to take the family to the beach or the local swimming hole — even if your local health department has not issued a health warning — you might want to leave the younger kids at home. Read more >

This is a question that researchers have been struggling with for decades, as developed nations such as the United States have seen an alarming rise in the number of children diagnosed as autistic. Read more >

Do vaccines given to infants and very young children somehow promote autism? This is the idea that researchers have been investigating and parents have been debating since a 1988 study of 12 children suggested such a link, provoking a wave of concern. Read more >